<template>
<div>
  <!-- 面包屑导航 -->
      <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item><a href="/">商品管理</a></el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" :clearable="true">
                    <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                </el-input> 
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="goAddpage">添加商品</el-button>
            </el-col>
        </el-row>
        <el-table :data="goodslist" border stripe class="tab">
            <el-table-column type="index" label="ID">
            </el-table-column>
            <el-table-column label="商品名称" prop="goods_name">
            </el-table-column>
            <el-table-column label="商品单价（元）" prop="goods_price" width="130px">
            </el-table-column>
            <el-table-column label="商品重量" prop="goods_weight" width="85px">
            </el-table-column>
            <el-table-column label="创建时间" prop="add_time" width="170px">
                <template slot-scope="scope">
                    {{scope.row.add_time*1000 | dateFormat}}
                </template>
            </el-table-column>
            <el-table-column label="操作" width="130px">
                <template slot-scope="scope">
                    <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页区域 -->
        <el-pagination @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
      >
    </el-pagination>
    </el-card>
</div>
</template>

<script>
export default {
    data() {
        return {
            // 查询参数对象
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            // 商品列表
            goodslist: [],
            // 总数居条数
            total: 0
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        //根据分页获取对应的商品列表
    async getGoodsList() {
      const {data: res} = await this.$http.get('goods', {
        params: this.queryInfo
      })

      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }

      this.$message.success('获取商品列表成功！')
      console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
      },
      // pageSize
      handleSizeChange(newSize) {
          this.queryInfo.pagesize = newSize
          this.getGoodsList()
      },
      // pageNum
      handleCurrentChange(newPage) {
          this.queryInfo.pagenum = newPage
          this.getGoodsList()
      },
      // 删除
      async removeById(id) {
          const confirmResult = await this.$confirm('此操作将永久删除该商品,请问是否继续？','提示',{
              confirmButtonText: '确定',
              cancelButtonText: '取消',
              type: 'warning'
          }).catch(err => err)
          if(confirmResult !== 'confirm') {
              return this.$message.info('已取消')
          }
          const { data: res } = await this.$http.delete(`goods/${id}`)
          if (res.meta.status !==200) {
              return this.$message.error('删除失败！')
          }
          this.$message.success('删除成功！')
          this.getGoodsList()
      },
      goAddpage() {
          this.$router.push('/goods/add')
      }
    }
}
</script>

<style lang="less" scoped>

</style>